private void createImpButtons(Composite container) {
    Composite buttonContainer =
        SWTFactory.createComposite(container, 1, 1, GridData.FILL_VERTICAL, 0, 0);

    fAddButton = SWTFactory.createPushButton(buttonContainer, PDEUIMessages.SourceBlock_add, null);
    fAddButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            handleAdd();
          }
        });

    fRemoveButton =
        SWTFactory.createPushButton(buttonContainer, PDEUIMessages.SourceBlock_remove, null);
    fRemoveButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            handleRemove();
          }
        });

    fRemoveAllButton =
        SWTFactory.createPushButton(
            buttonContainer, PDEUIMessages.TargetImplicitPluginsTab_removeAll3, null);
    fRemoveAllButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            handleRemoveAll();
          }
        });

    updateImpButtons();
  }
  private Control createArgumentsGroup(Composite parent) {
    Composite container = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_BOTH);

    SWTFactory.createWrapLabel(container, PDEUIMessages.JavaArgumentsTab_description, 1);

    Group programGroup =
        SWTFactory.createGroup(
            container,
            PDEUIMessages.JavaArgumentsTab_progamArgsGroup,
            1,
            1,
            GridData.FILL_HORIZONTAL);

    fProgramArgs =
        SWTFactory.createText(
            programGroup,
            SWT.MULTI | SWT.WRAP | SWT.BORDER | SWT.V_SCROLL,
            1,
            200,
            60,
            GridData.FILL_BOTH);
    fProgramArgs.addModifyListener(
        new ModifyListener() {
          public void modifyText(ModifyEvent e) {
            getTargetDefinition().setProgramArguments(fProgramArgs.getText().trim());
          }
        });

    Composite programButtons =
        SWTFactory.createComposite(programGroup, 1, 1, GridData.HORIZONTAL_ALIGN_END, 0, 0);

    Button programVars =
        SWTFactory.createPushButton(
            programButtons,
            PDEUIMessages.JavaArgumentsTab_programVariables,
            null,
            GridData.HORIZONTAL_ALIGN_END);
    programVars.addSelectionListener(getVariablesListener(fProgramArgs));

    Group vmGroup = new Group(container, SWT.NONE);
    vmGroup.setLayout(new GridLayout(1, false));
    vmGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    vmGroup.setText(PDEUIMessages.JavaArgumentsTab_vmArgsGroup);
    vmGroup.setFont(container.getFont());

    fVMArgs =
        SWTFactory.createText(
            vmGroup,
            SWT.MULTI | SWT.WRAP | SWT.BORDER | SWT.V_SCROLL,
            1,
            200,
            60,
            GridData.FILL_BOTH);
    fVMArgs.addModifyListener(
        new ModifyListener() {
          public void modifyText(ModifyEvent e) {
            getTargetDefinition().setVMArguments(fVMArgs.getText().trim());
          }
        });

    Composite buttons =
        SWTFactory.createComposite(vmGroup, 2, 1, GridData.HORIZONTAL_ALIGN_END, 0, 0);

    Button vmArgs =
        SWTFactory.createPushButton(
            buttons, PDEUIMessages.JavaArgumentsTab_addVMArgs, null, GridData.HORIZONTAL_ALIGN_END);
    vmArgs.addSelectionListener(getVMArgsListener(fVMArgs));

    Button vmVars =
        SWTFactory.createPushButton(
            buttons,
            PDEUIMessages.JavaArgumentsTab_vmVariables,
            null,
            GridData.HORIZONTAL_ALIGN_END);
    vmVars.addSelectionListener(getVariablesListener(fVMArgs));
    return container;
  }